sys-sdcard.h

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/* SPDX-License-Identifier: GPL-2.0+ */
 
#ifndef __SDHCI_SDCARD_H__
#define __SDHCI_SDCARD_H__
 
#include <io.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <types.h>
 
#include "sys-sdhci.h"
 
#include "log.h"
 
#ifdef __cplusplus
extern "C" {
#endif// __cplusplus
 
enum {
    /* Class 1 */
    MMC_GO_IDLE_STATE = 0,
    MMC_SEND_OP_COND = 1,
    MMC_ALL_SEND_CID = 2,
    MMC_SET_RELATIVE_ADDR = 3,
    MMC_SET_DSR = 4,
    MMC_SWITCH = 6,
    MMC_SELECT_CARD = 7,
    MMC_SEND_EXT_CSD = 8,
    MMC_SEND_CSD = 9,
    MMC_SEND_CID = 10,
    MMC_READ_DAT_UNTIL_STOP = 11,
    MMC_STOP_TRANSMISSION = 12,
    MMC_SEND_STATUS = 13,
    MMC_GO_INACTIVE_STATE = 15,
    MMC_SPI_READ_OCR = 58,
    MMC_SPI_CRC_ON_OFF = 59,
 
    /* Class 2 */
    MMC_SET_BLOCKLEN = 16,
    MMC_READ_SINGLE_BLOCK = 17,
    MMC_READ_MULTIPLE_BLOCK = 18,
 
    /* Class 3 */
    MMC_WRITE_DAT_UNTIL_STOP = 20,
 
    /* Class 4 */
    MMC_SET_BLOCK_COUNT = 23,
    MMC_WRITE_SINGLE_BLOCK = 24,
    MMC_WRITE_MULTIPLE_BLOCK = 25,
    MMC_PROGRAM_CID = 26,
    MMC_PROGRAM_CSD = 27,
 
    /* Class 5 */
    MMC_ERASE_GROUP_START = 35,
    MMC_ERASE_GROUP_END = 36,
    MMC_ERASE = 38,
 
    /* Class 6 */
    MMC_SET_WRITE_PROT = 28,
    MMC_CLR_WRITE_PROT = 29,
    MMC_SEND_WRITE_PROT = 30,
 
    /* Class 7 */
    MMC_LOCK_UNLOCK = 42,
 
    /* Class 8 */
    MMC_APP_CMD = 55,
    MMC_GEN_CMD = 56,
 
    /* Class 9 */
    MMC_FAST_IO = 39,
    MMC_GO_IRQ_STATE = 40,
};
 
enum {
    SD_CMD_SEND_RELATIVE_ADDR = 3,
    SD_CMD_SWITCH_FUNC = 6,
    SD_CMD_SEND_IF_COND = 8,
    SD_CMD_APP_SET_BUS_WIDTH = 6,
    SD_CMD_ERASE_WR_BLK_START = 32,
    SD_CMD_ERASE_WR_BLK_END = 33,
    SD_CMD_APP_SEND_OP_COND = 41,
    SD_CMD_APP_SEND_SCR = 51,
};
 
enum {
    MMC_RSP_PRESENT = (1 << 0),
    MMC_RSP_136 = (1 << 1),
    MMC_RSP_CRC = (1 << 2),
    MMC_RSP_BUSY = (1 << 3),
    MMC_RSP_OPCODE = (1 << 4),
};
 
enum {
    MMC_RSP_NONE = (0 << 24),
    MMC_RSP_R1 = (1 << 24) | (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE),
    MMC_RSP_R1B = (1 << 24) | (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE | MMC_RSP_BUSY),
    MMC_RSP_R2 = (2 << 24) | (MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC),
    MMC_RSP_R3 = (3 << 24) | (MMC_RSP_PRESENT),
    MMC_RSP_R4 = (4 << 24) | (MMC_RSP_PRESENT),
    MMC_RSP_R5 = (5 << 24) | (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE),
    MMC_RSP_R6 = (6 << 24) | (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE),
    MMC_RSP_R7 = (7 << 24) | (MMC_RSP_PRESENT | MMC_RSP_CRC | MMC_RSP_OPCODE),
};
 
enum {
    MMC_STATUS_IDLE = 0,
    MMC_STATUS_READY = 1,
    MMC_STATUS_IDENT = 2,
    MMC_STATUS_STBY = 3,
    MMC_STATUS_TRAN = 4,
    MMC_STATUS_DATA = 5,
    MMC_STATUS_RCV = 6,
    MMC_STATUS_PRG = 7,
    MMC_STATUS_DIS = 8,
    MMC_STATUS_BTST = 9,
    MMC_STATUS_SLP = 10,
};
 
enum {
    OCR_BUSY = 0x80000000,
    OCR_HCS = 0x40000000,
    OCR_VOLTAGE_MASK = 0x00ffff80,
    OCR_ACCESS_MODE = 0x60000000,
};
 
enum {
    MMC_DATA_READ = (1 << 0),
    MMC_DATA_WRITE = (1 << 1),
};
 
enum {
    MMC_VDD_27_36 = (1 << 0),
    MMC_VDD_165_195 = (1 << 1),
};
 
enum {
    MMC_BUS_WIDTH_1 = 1,
    MMC_BUS_WIDTH_4 = 2,
    MMC_BUS_WIDTH_8 = 3,
};
 
enum {
    MMC_CONTROLLER_0 = 0,
    MMC_CONTROLLER_1 = 1,
    MMC_CONTROLLER_2 = 2,
};
 
enum {
    SD_VERSION_SD = 0x20000,
    SD_VERSION_3 = (SD_VERSION_SD | 0x300),
    SD_VERSION_2 = (SD_VERSION_SD | 0x200),
    SD_VERSION_1_0 = (SD_VERSION_SD | 0x100),
    SD_VERSION_1_10 = (SD_VERSION_SD | 0x10a),
    MMC_VERSION_MMC = 0x10000,
    MMC_VERSION_UNKNOWN = (MMC_VERSION_MMC),
    MMC_VERSION_1_2 = (MMC_VERSION_MMC | 0x102),
    MMC_VERSION_1_4 = (MMC_VERSION_MMC | 0x104),
    MMC_VERSION_2_2 = (MMC_VERSION_MMC | 0x202),
    MMC_VERSION_3 = (MMC_VERSION_MMC | 0x300),
    MMC_VERSION_4 = (MMC_VERSION_MMC | 0x400),
    MMC_VERSION_4_1 = (MMC_VERSION_MMC | 0x401),
    MMC_VERSION_4_2 = (MMC_VERSION_MMC | 0x402),
    MMC_VERSION_4_3 = (MMC_VERSION_MMC | 0x403),
    MMC_VERSION_4_41 = (MMC_VERSION_MMC | 0x429),
    MMC_VERSION_4_5 = (MMC_VERSION_MMC | 0x405),
    MMC_VERSION_5_0 = (MMC_VERSION_MMC | 0x500),
    MMC_VERSION_5_1 = (MMC_VERSION_MMC | 0x501),
};
 
typedef struct {
    uint32_t version;
    uint32_t ocr;
    uint32_t rca;
    uint32_t cid[4];
    uint32_t csd[4];
    uint8_t extcsd[512];
 
    uint32_t high_capacity;
    uint32_t tran_speed;
    uint32_t dsr_imp;
    uint32_t read_bl_len;
    uint32_t write_bl_len;
    uint64_t capacity;
} sdmmc_t;
 
typedef struct {
    sdmmc_t card;
    sdhci_t *hci;
    uint8_t buf[512];
    bool online;
} sdmmc_pdata_t;
 
extern sdmmc_pdata_t card0;
 
int sdmmc_init(sdmmc_pdata_t *data, sdhci_t *hci);
 
uint64_t sdmmc_blk_read(sdmmc_pdata_t *data, uint8_t *buf, uint64_t blkno, uint64_t blkcnt);
 
#ifdef __cplusplus
}
#endif// __cplusplus
 
#endif /* __SDHCI_SDCARD_H__ */